EP2319419B1 - Vorrichtung zur Versiegelung von Elektrogeräten von der Umgebung in einem mit Gleichstrom betriebenen arthroskopischen chirurgischen Handstück mit Druckknopfbetätigung - Google Patents

Vorrichtung zur Versiegelung von Elektrogeräten von der Umgebung in einem mit Gleichstrom betriebenen arthroskopischen chirurgischen Handstück mit Druckknopfbetätigung Download PDF

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Publication number
EP2319419B1
EP2319419B1 EP10190358.1A EP10190358A EP2319419B1 EP 2319419 B1 EP2319419 B1 EP 2319419B1 EP 10190358 A EP10190358 A EP 10190358A EP 2319419 B1 EP2319419 B1 EP 2319419B1
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EP
European Patent Office
Prior art keywords
button
handpiece
bezel
switch
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10190358.1A
Other languages
English (en)
French (fr)
Other versions
EP2319419A1 (de
Inventor
Kevin J. Stanton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arthrex Inc
Original Assignee
Arthrex Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arthrex Inc filed Critical Arthrex Inc
Publication of EP2319419A1 publication Critical patent/EP2319419A1/de
Application granted granted Critical
Publication of EP2319419B1 publication Critical patent/EP2319419B1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/04—Cases; Covers
    • H01H23/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00477—Coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0409—Instruments for applying suture anchors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/014—Application surgical instrument

Definitions

  • the present invention relates to systems for sealing electronic devices in surgical handpieces from outside elements during surgical use, post-use cleaning, or sterilization.
  • microprocessor and other circuitry is typically located within the housing, it would be desirable to locate the microprocessor and associated circuitry closer to the handpiece but also seal and protect the circuitry from water, contaminants, or sterilization liquids.
  • Embodiments of the present invention provide for sealing electronic devices of a surgical handpiece from outside elements during surgical use and/or post-use cleaning and/or sterilization.
  • the microprocessor circuitry of the handpiece is embedded in the cable and potted, so that no external or internal factors (such as liquid, for example) may impede the function of the circuitry.
  • a surgical handpiece that includes a sealed switch for controlling the handpiece.
  • the handpiece also has a bezel with a button sealed within an opening in the bezel.
  • the bezel is positioned to align the button over the switch so that the button can actuate the switch.
  • the button, the bezel, and the handpiece form a sealed enclosure around the switch to protect the switch from outside elements during surgical use.
  • a linkage transfers a force applied to the button, to the switch, to actuate the switch.
  • the button may be sealed to the bezel using an x-ring or o-ring seal. Additionally, the button may be formed of an elastomeric material and have a bulge that seals the button to the bezel.
  • the opening in the bezel extends through the entire bezel and the button comes into contact with the switch. Further, the opening in the bezel may not extend through the entire bezel and an insert may be placed partially within the button to hold the button with the opening of the bezel.
  • a handpiece that has a second switch.
  • the bezel has a second button within a second opening of the bezel.
  • the second button is sealed to the bezel and a downward force applied to the second button causes the second switch to actuate.
  • the first and second switches are sealed together in an enclosure created by the first and second button, the bezel, and the handpiece.
  • FIGS. 1-6 illustrate various views of an exemplary pushbutton configured to seal a switch and PCB board inside a handpiece to prevent foreign objects, such as, water, contaminants or sterilization liquid, from reaching the switch and PCB board.
  • FIGS. 7-11 illustrate various views of a second exemplary pushbutton.
  • FIGS. 12-14 illustrate various views of an exemplary assembly 200 wherein the handpiece control circuitry is embedded in the cable and potted.
  • FIG. 1 illustrates button 10, linkage 20, and button insert 30 that form part of pushbutton system 100.
  • Button 10 has a cylindrical shape and is formed of an elastomeric material.
  • Button 10 also has bulge 11 between the top and bottom part of button 10 that extends away from the center of button 10.
  • Button 10 further includes insert channel 12 that has a circular shape and a depth that extends from the bottom of button 10 toward the top of button 10 and surrounds button extension 13.
  • Button 10 also includes arm channel 14, which is circular in shape and extends through the middle of button 10. In one embodiment, the middle of arm channel 14 may be approximately aligned with the middle of bulge 11. Arm channel 14 further intersects with insert channel 12 and together they form an inverted L shaped opening within button 10.
  • Pushbutton system 100 further includes linkage or knob 20.
  • Linkage 20 is a straight member that is partially contained within button 10 and extends through button arm 13 and away from the bottom of button 10.
  • Linkage 20 may also have a T shape as shown in FIG. 5 , where the cross portion resides within button 10.
  • Pushbutton system 100 further includes insert 30.
  • Insert 30 has a hollow cylindrical shape. Insert 30 has, on one end, insert flange 35 that extends away from the center of insert 30 and around the periphery of insert 30. On the other end, insert 30 has slits 31 that extend toward insert flange 35. The portions of insert 30 that are between slits 31 form individual insert tabs 32. Insert tabs 32 individually flex toward and away from the center of insert 30. Each insert tab 32 has tab flange 33 at their open end that extends away from the center of insert 30. In pushbutton system 100, insert 30 is placed within insert channel 12 so that button 10 surrounds a portion of insert 30 and insert flange 35 is placed within arm channel 14. Tab flanges 33 remain outside of button 10.
  • FIGS. 2 and 3 illustrate tube 40, which also forms a part of pushbutton system 100.
  • FIGS. 2 and 3 also illustrate bezel 50 that has button openings 52, 54 formed to accept button 10 on a first side. Button 10 is placed within button opening 52 so that the entire bulge 11 of button 10 is within button opening 52.
  • button 10 is not wholly located within button opening 52, but a portion of button 10 extends away from bezel 50. Further, button openings 52, 54 do not extend all the way through bezel 50.
  • bezel 50 On a second side, opposite the first side, bezel 50 has insert openings 56, 58 that extend through bezel 50 to meet buttons openings 52, 54, respectively. Insert openings 56, 58 have a smaller diameter than button openings 52, 54 that do not allow passage of button 10.
  • button 10 placed within button opening 52, a portion of insert tabs 32 extend away from of bezel 50 and opening 56 and tab flanges 33 extend over the surface of the second side of bezel 50. Tab flanges 33 assist in keeping button 10 within button opening 52.
  • linkage 20 extends through insert 30 and through insert opening 56.
  • Tube 40 is located within insert 30, is in contact with, and applies a force to insert tabs 32, thereby forcing insert tabs 32 toward the outer edges of insert opening 56 and against button 10.
  • the pressure on insert 30 caused by tube 40 maintains button 10 within button opening 52. Further, the pressure on button 10 from insert 30 causes bulge 11 to press against the side of button opening 52 causing a seal to form between button 10 and bezel 50.
  • button 10, insert 30, tube 40, button openings 52, and insert opening 56 may be any shape that allows button 10 to be secured to and form a seal with bezel 50 in the manner described above.
  • button 10, insert 30, tube 40, button openings 52, and insert opening 56 may have a hexagon shape or some other form or shape.
  • FIG. 4 illustrates a cross-sectional view of two pushbutton systems 100, 100a.
  • Both pushbutton systems 100, 100a include button 10, linkage 20, insert 30, tube 40, and are attached to bezel 50.
  • An exemplarily method of assembling the structure shown in FIG. 4 is now describe. During assembly, an insert 30 is pressed into button 10, and then button 10 is snapped into bezel 50. The bezel assembly (bezel 50 with embedded buttons 10) is flipped over and tubes 40 are pressed into embedded button 10. This process is repeated for each button 10 within a bezel.
  • FIGS. 5 and 6 illustrate a cross-sectional view of two pushbutton systems 100, 100a attached to bezel 50, with bezel 50 attached to housing 80 of a surgical handpiece.
  • Housing 80 includes switches 60, 62 attached to a rigid PCB 70 (shown in FIG. 6 ). Switches 60, 62 are used to control the surgical handpiece.
  • Bezel 50 is aligned so that button openings 52, 54 are over switches 60, 62 respectively.
  • switches 60, 62 using button systems 100, 100a, respectively, is now explained.
  • button opening 52 aligned over switch 60
  • button 10 flexes and forces linkage 20 of button system 100 downward toward switch 60.
  • Linkage 20 then contacts switch 60 and exerts a force on switch 60, causing switch 60 to connect or disconnect a circuit in PCB 70.
  • linkage 20 transfers force applied to button 10 to switch 60 thereby actuating switch 60.
  • switch 60 When switch 60 actuates, it connects or disconnects a circuit in PCB 70, thereby controlling the handpiece.
  • button system 100a actuates switch 62.
  • switches 60, 62 may be a tactile switch, snap-dome switch, conductive pill switch, or some other type of switch.
  • FIG. 6 also illustrates seal 58 provided between bezel 50 and housing 80.
  • Seal 58 may be an o-ring seal, an x-ring seal, or any other type of device that is able to create a seal between bezel 50 and housing 80.
  • a sealed enclosure is formed by bezel 50, buttons 10, and housing 80 that encases switches 60, 62 and PCB 70.
  • switches 60, 62 and PCB 70 are sealed so that external material such as water, contaminants, sterilization liquid, and others are prevented from contacting switches 60, 62 and PCB 70.
  • FIG. 7 illustrates another embodiment of surgical handpiece 300.
  • Handpiece 300 includes buttons 310, 310a, button seals 320, 320a, bezel 350, bezel seal 358, switches 360, 362, PCB 370, and housing 380.
  • Button 310 has cylinder body 312 with flange 314 at a first end that extends away from the middle of button 310.
  • Button 310 further includes protrusion 316 at the first end. Protrusion 316 extends away from the first end of button 310 and perpendicular to flange 314.
  • FIG. 8 illustrates bezel 350.
  • Bezel 350 has button openings 352, 354 that extend through bezel 350 and bezel groove 356 for accepting an o-ring. Openings 352, 354 are circular and have a sufficient diameter to allow button body 312 to pass through but not button flange 312.
  • the internal walls of openings 352, 354 also include grooves 353, 355, respectively, that extend into bezel 350 and away from the middle of openings 352, 354. Grooves 353, 355 house button seals 320, 320a.
  • One exemplary button seal 320 is described with respect to FIG. 9 .
  • FIG. 9 illustrates button seal 320.
  • Button seal 320 is a circular ring with a hollow center 326. Center 326 has a diameter sufficient to allow button body 312 to pass through.
  • Button seal 320 further includes outer channel 323 that passes along the outer periphery of button seal 320 and forms outer sealing ridges 322, 324.
  • Button seal 320 also includes inner channel 327 that passes along the interior periphery of button seal 320 and forms interior sealing ridges 328, 329. Interior sealing ridges 328, 329 and outer sealing ridges 322, 324 together form an X shape.
  • Button seal 320a is similar to button seal 320.
  • FIG. 7 illustrates groove 353 of bezel 350 housing button seal 320 and groove 355 of bezel 350 housing button seal 320a.
  • FIG. 7 further illustrates button body 312 passing through opening 352 and center 326 of button seal 320 and extending away from bezel 350.
  • outer sealing ridges 322, 324 of button seal 320 each form a seal with bezel 350
  • inner sealing ridges 328, 329 of button seal 320 each form a seal with button 310.
  • button 310 is sealed to bezel 350.
  • Button 310a is similarly sealed to bezel 350 by button seal 320a.
  • Bezel 350 is also sealed to housing 380 by bezel seal 358, which is provided between bezel 350 and housing 380.
  • Bezel seal 358 may be an o-ring seal, an x-ring seal, or any other type of device that is able to create a seal between bezel 350 and housing 380.
  • FIG. 7 further illustrates button 310 in contact with switch 360.
  • a downward force is applied to button 310.
  • Button 310 shifts downward and button lip 314 moves out of contact with bezel 350.
  • Button protrusion 316 moves downward with button 310 and forces switch 360 downward and into contact with PCB 370.
  • switch 360 connects or disconnects a circuit in PCB 370 thereby controlling handpiece 300.
  • switch 360 has a spring constant that allows it to push away from PCB 370 and force protrusion 316 and button 310 upward until button lip 314 contacts bezel 350.
  • button protrusion 316 is not in contact with switch 360 before a force is applied to button 310. Further, button lip 314 may not be in contact with bezel 350 before or after force is applied to button 310.
  • FIG. 10 further illustrates switches 360, 362 and PCB 370.
  • Switches 360, 362 may be dome switches or another type of switch.
  • FIG. 11 illustrates handpiece 300 with buttons 310, 310a attached to bezel 350, which is attached to housing 370.
  • housing 80 of a handpiece is connected to cable 250 that has cable endcap 200.
  • cable endcap 200 includes control circuitry for the handpiece, such as a microprocessor.
  • cable endcap 200 includes a plurality of female PCB control connectors 210 and a plurality of female motor control connectors 212.
  • Female connectors 210, 212 receive male connectors from housing 80 thereby electrically coupling together housing 80 and cable endcap 200.
  • female PCB control connectors 210 are soldered or otherwise electrically connected to control board 230 that is embedded and potted in endcap 200.
  • Control board 230 is further connected to cable contacts 240 of cable 250.
  • Cable 250 is connected to a console that sends instructions to and receives information and feedback from control board 230.
  • Control board 230 is used to control a motor or some other mechanism within housing 80 of the surgical handpiece.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Claims (14)

  1. Chirurgisches Handstück, das aufweist:
    ein Gehäuse (80),
    einen Schalter (60), der mit dem Handstück verbunden ist und verwendet wird, um das Handstück zu steuern;
    eine Einfassung (50) mit einer Öffnung (52), wobei die Öffnung (52) über dem Schalter (60) ausgerichtet ist; und
    einen Knopf (10) in der Öffnung,
    wobei eine auf den Knopf (10) angewendete Kraft auf den Schalter (60) übertragen wird, um den Schalter (60) zu betätigen,
    dadurch gekennzeichnet, dass es eine Dichtung (58), die zwischen der Einfassung (50) und dem Gehäuse (80) des Handstücks bereitgestellt ist, und einen Knopfeinsatz (30), der teilweise innerhalb des Knopfs angeordnet ist, enthält, wobei der Einsatz einen Druck nach außen anwendet, um den Knopf in der Öffnung zu halten, so dass der Knopf in die Einfassung (50) einschnappt, und die Einfassung (50), der Knopf (10) und das Handstück eine abgedichtete Umschließung um den Schalter (60) bilden.
  2. Handstück nach Anspruch 1, das ferner eine Koppelung (20) aufweist, die die auf den Knopf (10) angewendete Kraft auf den Schalter (60) überträgt.
  3. Handstück nach Anspruch 2, wobei die Koppelung (20) ein einzelnes gerades Element ist.
  4. Handstück nach Anspruch 1, wobei die Kraft, die auf den Knopf (10) angewendet wird, durch den Knopf (10) auf den Schalter (60) übertragen wird.
  5. Handstück nach Anspruch 1, wobei der Knopf (10) sich aus der Öffnung weg von dem Schalter (60) erstreckt.
  6. Handstück nach Anspruch 1, wobei die Öffnung sich durch die Einfassung (50) erstreckt.
  7. Handstück nach Anspruch 1, wobei die Öffnung sich teilweise durch die Einfassung (50) erstreckt.
  8. Handstück nach Anspruch 1, wobei die Einfassung (50) unter Verwendung eines Dichtungsrings mit dem chirurgischen Handstück abgedichtet ist.
  9. Handstück nach Anspruch 1, wobei der Knopf (10) unter Verwendung eines Dichtungsrings in der Öffnung (52) abgedichtet ist.
  10. Handstück nach Anspruch 1, wobei der Knopf (10) aus einem elastomeren Material ausgebildet ist.
  11. Handstück nach Anspruch 10, wobei eine Wölbung (11) in dem elastomeren Material des Knopfs (10) den Knopf (10) in der Öffnung (52) abdichtet.
  12. Handstück nach Anspruch 1, wobei der Schalter (60) ein Schnappkuppelschalter, ein Tastschalter oder leitender Kugelschalter ist.
  13. Handstück nach Anspruch 1, das ferner aufweist:
    einen zweiten Schalter (62) zum Steuern des Handstücks, wobei der zweite Schalter (62) unterhalb einer zweiten Öffnung (54) in der Einfassung (50) ausgerichtet ist; und
    einen zweiten Knopf (10) in der zweiten Öffnung (54).
  14. Handstück nach Anspruch 13, wobei der Knopf (10), der zweite Knopf (10), die Einfassung (50) und das Handstück eine abgedichtete Umfassung um den Schalter (60) und den zweiten Schalter (62) bilden.
EP10190358.1A 2009-11-10 2010-11-08 Vorrichtung zur Versiegelung von Elektrogeräten von der Umgebung in einem mit Gleichstrom betriebenen arthroskopischen chirurgischen Handstück mit Druckknopfbetätigung Active EP2319419B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25997909P 2009-11-10 2009-11-10

Publications (2)

Publication Number Publication Date
EP2319419A1 EP2319419A1 (de) 2011-05-11
EP2319419B1 true EP2319419B1 (de) 2016-01-06

Family

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Application Number Title Priority Date Filing Date
EP10190358.1A Active EP2319419B1 (de) 2009-11-10 2010-11-08 Vorrichtung zur Versiegelung von Elektrogeräten von der Umgebung in einem mit Gleichstrom betriebenen arthroskopischen chirurgischen Handstück mit Druckknopfbetätigung

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US (2) US8790331B2 (de)
EP (1) EP2319419B1 (de)

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US7654716B1 (en) 2006-11-10 2010-02-02 Doheny Eye Institute Enhanced visualization illumination system
US20100174415A1 (en) 2007-04-20 2010-07-08 Mark Humayun Sterile surgical tray
WO2008131357A1 (en) 2007-04-20 2008-10-30 Doheny Eye Institute Independent surgical center
US8568391B2 (en) 2007-04-20 2013-10-29 Doheny Eye Institute Sterile surgical tray
US20110282160A1 (en) 2010-05-13 2011-11-17 Doheny Eye Institute Self contained illuminated infusion cannula systems and methods and devices
DE102013224213A1 (de) 2013-11-27 2015-06-11 Karl Storz Gmbh & Co. Kg Tastschalterbaugruppe für ein Handstück zur Durchführung medizinischer Eingriffe
CN110338968B (zh) 2013-11-28 2023-05-26 爱尔康公司 眼外科手术系统、方法和装置
US9962226B2 (en) 2013-11-28 2018-05-08 Alcon Pharmaceuticals Ltd. Ophthalmic surgical systems, methods, and devices
DE102015004546B4 (de) * 2015-04-08 2023-05-04 Schölly Fiberoptic GmbH Medizinisches Instrument
US9734961B2 (en) * 2015-05-15 2017-08-15 Whirlpool Corporation Method of controlling an appliance door position switch for Sabbath mode operation
WO2018080823A1 (en) 2016-10-31 2018-05-03 Zimmer, Inc. Surgical power tool with critical error handler
CN114010335B (zh) * 2022-01-07 2022-04-12 极限人工智能(北京)有限公司 动力主机及手术装置

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Publication number Publication date
US20110112518A1 (en) 2011-05-12
EP2319419A1 (de) 2011-05-11
US20140324028A1 (en) 2014-10-30
US8790331B2 (en) 2014-07-29

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